Team Andrews vital to Nuclear Security Summit
François Hollande, President of France, walks down the staircase after arriving at the Joint Base Andrews airfield, March 31, 2016. He arrived for the 2016 Nuclear Security Summit held in Washington, D.C. The summit provides a forum for leaders to reinforce commitments to securing nuclear materials. (U.S. Air Force photo by Senior Airman Nesha Humes/RELEASED)